Comfortable, ergonomic triangular grip offers the highest degree in comfort and is endorsed by the American Physical Therapy Association. With the simple twist of the barrel, easily change from black or red ballpoint to mechanical pencil. The Lubriglide® ink system produces smooth lines and intense color for a professional look. Global Product Type: Pens; Pen Type: Ballpoint Multifunction; Special Ink Type: N/A; Pen Style: Retractable.